Home / 126,051.24-189,109.66-47,171.56

Finding the Fourth Proportional to 126,051.24, 189,109.66 and 47,171.56

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Solution

The fourth proportional to 126,051.24, 189,109.66 and 47,171.56 is: 70,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,051.24 : 189,109.66 = 47,171.56 : x
  2. Step 2: Convert to fraction form
    126,051.24/189,109.66 = 47,171.56/x
  3. Step 3: Cross multiply
    126,051.24x = 189,109.66 × 47,171.56
  4. Step 4: Simplify right side
    126,051.24x = 8,920,597,673.27
  5. Step 5: Solve for x
    x = 8,920,597,673.27/126,051.24
  6. Step 6: Final answer
    x = 70,769.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.